Anthericum Liliago - St. Bernard's Lily
It has numerous thin spires of white star-shaped flowers that are produced above clumps of long, narrow grey-green leaves.
Cover with compost or grit 5mm deep. Sow at any time and keep moist in a cool, light spot outside. It may be slow to germinate. Grow on individual seedlings in 3” pots. Plant out in a well-drained sheltered position.